Jörg Höhle : winmm: The 64KB buffer limit on MIDIHDR buffers applies to streams only.
Alexandre Julliard
julliard at winehq.org
Wed Feb 3 09:33:06 CST 2010
Module: wine
Branch: master
Commit: a758c6a981b1f4d3653f9cf44f6d136f2fc0e6b3
URL: http://source.winehq.org/git/wine.git/?a=commit;h=a758c6a981b1f4d3653f9cf44f6d136f2fc0e6b3
Author: Jörg Höhle <hoehle at users.sourceforge.net>
Date: Sun Jan 31 21:19:39 2010 +0100
winmm: The 64KB buffer limit on MIDIHDR buffers applies to streams only.
---
dlls/winealsa.drv/midi.c | 8 +++-----
dlls/winecoreaudio.drv/midi.c | 6 ++----
dlls/wineoss.drv/midi.c | 8 +++-----
dlls/winmm/tests/midi.c | 6 +++---
dlls/winmm/winmm.c | 1 +
5 files changed, 12 insertions(+), 17 deletions(-)
diff --git a/dlls/winealsa.drv/midi.c b/dlls/winealsa.drv/midi.c
index b62a885..33d5783 100644
--- a/dlls/winealsa.drv/midi.c
+++ b/dlls/winealsa.drv/midi.c
@@ -611,8 +611,7 @@ static DWORD midPrepare(WORD wDevID, LPMIDIHDR lpMidiHdr, DWORD dwSize)
TRACE("(%04X, %p, %08X);\n", wDevID, lpMidiHdr, dwSize);
if (dwSize < sizeof(MIDIHDR) || lpMidiHdr == 0 ||
- lpMidiHdr->lpData == 0 || (lpMidiHdr->dwFlags & MHDR_INQUEUE) != 0 ||
- lpMidiHdr->dwBufferLength >= 0x10000ul)
+ lpMidiHdr->lpData == 0 || (lpMidiHdr->dwFlags & MHDR_INQUEUE) != 0)
return MMSYSERR_INVALPARAM;
lpMidiHdr->lpNext = 0;
@@ -633,7 +632,7 @@ static DWORD midUnprepare(WORD wDevID, LPMIDIHDR lpMidiHdr, DWORD dwSize)
if (MidiInDev[wDevID].state == -1) return MIDIERR_NODEVICE;
if (dwSize < sizeof(MIDIHDR) || lpMidiHdr == 0 ||
- lpMidiHdr->lpData == 0 || lpMidiHdr->dwBufferLength >= 0x10000ul)
+ lpMidiHdr->lpData == 0)
return MMSYSERR_INVALPARAM;
if (!(lpMidiHdr->dwFlags & MHDR_PREPARED)) return MIDIERR_UNPREPARED;
@@ -1057,8 +1056,7 @@ static DWORD modPrepare(WORD wDevID, LPMIDIHDR lpMidiHdr, DWORD dwSize)
* So at least check for the inqueue flag
*/
if (dwSize < sizeof(MIDIHDR) || lpMidiHdr == 0 ||
- lpMidiHdr->lpData == 0 || (lpMidiHdr->dwFlags & MHDR_INQUEUE) != 0 ||
- lpMidiHdr->dwBufferLength >= 0x10000ul) {
+ lpMidiHdr->lpData == 0 || (lpMidiHdr->dwFlags & MHDR_INQUEUE) != 0) {
WARN("%p %p %08x %d\n", lpMidiHdr, lpMidiHdr ? lpMidiHdr->lpData : NULL,
lpMidiHdr ? lpMidiHdr->dwFlags : 0, dwSize);
return MMSYSERR_INVALPARAM;
diff --git a/dlls/winecoreaudio.drv/midi.c b/dlls/winecoreaudio.drv/midi.c
index a31a076..e66d435 100644
--- a/dlls/winecoreaudio.drv/midi.c
+++ b/dlls/winecoreaudio.drv/midi.c
@@ -470,8 +470,7 @@ static DWORD MIDIOut_Prepare(WORD wDevID, LPMIDIHDR lpMidiHdr, DWORD dwSize)
* So at least check for the inqueue flag
*/
if (dwSize < sizeof(MIDIHDR) || lpMidiHdr == 0 ||
- lpMidiHdr->lpData == 0 || (lpMidiHdr->dwFlags & MHDR_INQUEUE) != 0 ||
- lpMidiHdr->dwBufferLength >= 0x10000ul) {
+ lpMidiHdr->lpData == 0 || (lpMidiHdr->dwFlags & MHDR_INQUEUE) != 0) {
WARN("%p %p %08x %lu/%d\n", lpMidiHdr, lpMidiHdr->lpData,
lpMidiHdr->dwFlags, sizeof(MIDIHDR), dwSize);
return MMSYSERR_INVALPARAM;
@@ -721,8 +720,7 @@ static DWORD MIDIIn_Prepare(WORD wDevID, LPMIDIHDR lpMidiHdr, DWORD dwSize)
* So at least check for the inqueue flag
*/
if (dwSize < sizeof(MIDIHDR) || lpMidiHdr == 0 ||
- lpMidiHdr->lpData == 0 || (lpMidiHdr->dwFlags & MHDR_INQUEUE) != 0 ||
- lpMidiHdr->dwBufferLength >= 0x10000ul) {
+ lpMidiHdr->lpData == 0 || (lpMidiHdr->dwFlags & MHDR_INQUEUE) != 0) {
WARN("Invalid parameter %p %p %08x %d\n", lpMidiHdr, lpMidiHdr->lpData,
lpMidiHdr->dwFlags, dwSize);
return MMSYSERR_INVALPARAM;
diff --git a/dlls/wineoss.drv/midi.c b/dlls/wineoss.drv/midi.c
index 99a9ce0..d82dbdc 100644
--- a/dlls/wineoss.drv/midi.c
+++ b/dlls/wineoss.drv/midi.c
@@ -875,8 +875,7 @@ static DWORD midPrepare(WORD wDevID, LPMIDIHDR lpMidiHdr, DWORD dwSize)
TRACE("(%04X, %p, %08X);\n", wDevID, lpMidiHdr, dwSize);
if (dwSize < sizeof(MIDIHDR) || lpMidiHdr == 0 ||
- lpMidiHdr->lpData == 0 || (lpMidiHdr->dwFlags & MHDR_INQUEUE) != 0 ||
- lpMidiHdr->dwBufferLength >= 0x10000ul)
+ lpMidiHdr->lpData == 0 || (lpMidiHdr->dwFlags & MHDR_INQUEUE) != 0)
return MMSYSERR_INVALPARAM;
lpMidiHdr->lpNext = 0;
@@ -897,7 +896,7 @@ static DWORD midUnprepare(WORD wDevID, LPMIDIHDR lpMidiHdr, DWORD dwSize)
if (MidiInDev[wDevID].state == -1) return MIDIERR_NODEVICE;
if (dwSize < sizeof(MIDIHDR) || lpMidiHdr == 0 ||
- lpMidiHdr->lpData == 0 || lpMidiHdr->dwBufferLength >= 0x10000ul)
+ lpMidiHdr->lpData == 0)
return MMSYSERR_INVALPARAM;
if (!(lpMidiHdr->dwFlags & MHDR_PREPARED)) return MIDIERR_UNPREPARED;
@@ -1621,8 +1620,7 @@ static DWORD modPrepare(WORD wDevID, LPMIDIHDR lpMidiHdr, DWORD dwSize)
* So at least check for the inqueue flag
*/
if (dwSize < sizeof(MIDIHDR) || lpMidiHdr == 0 ||
- lpMidiHdr->lpData == 0 || (lpMidiHdr->dwFlags & MHDR_INQUEUE) != 0 ||
- lpMidiHdr->dwBufferLength >= 0x10000ul) {
+ lpMidiHdr->lpData == 0 || (lpMidiHdr->dwFlags & MHDR_INQUEUE) != 0) {
WARN("%p %p %08x %d\n", lpMidiHdr, lpMidiHdr ? lpMidiHdr->lpData : NULL,
lpMidiHdr ? lpMidiHdr->dwFlags : 0, dwSize);
return MMSYSERR_INVALPARAM;
diff --git a/dlls/winmm/tests/midi.c b/dlls/winmm/tests/midi.c
index 082cf3c..82d61d1 100644
--- a/dlls/winmm/tests/midi.c
+++ b/dlls/winmm/tests/midi.c
@@ -121,7 +121,7 @@ static void test_midiIn_device(UINT udev, HWND hwnd)
ok(mhdr.lpData!=NULL, "No %d bytes of memory!\n", mhdr.dwBufferLength);
if (mhdr.lpData) {
rc = midiInPrepareHeader(hm, &mhdr, sizeof(mhdr));
- todo_wine ok(!rc, "midiInPrepare rc=%s\n", mmsys_error(rc));
+ ok(!rc, "midiInPrepare rc=%s\n", mmsys_error(rc));
rc = midiInUnprepareHeader(hm, &mhdr, sizeof(mhdr));
ok(!rc, "midiInUnprepare rc=%s\n", mmsys_error(rc));
trace("MIDIHDR flags=%x when unsent\n", mhdr.dwFlags);
@@ -260,7 +260,7 @@ static void test_midiOut_device(UINT udev, HWND hwnd)
test_notification(hwnd, "midiOutLong unprepared", 0, WHATEVER);
rc = midiOutPrepareHeader(hm, &mhdr, sizeof(mhdr));
- todo_wine ok(!rc, "midiOutPrepare rc=%s\n", mmsys_error(rc));
+ ok(!rc, "midiOutPrepare rc=%s\n", mmsys_error(rc));
rc = midiOutUnprepareHeader(hm, &mhdr, sizeof(mhdr));
ok(!rc, "midiOutUnprepare rc=%s\n", mmsys_error(rc));
trace("MIDIHDR flags=%x when unsent\n", mhdr.dwFlags);
@@ -416,7 +416,7 @@ static void test_midiStream(UINT udev, HWND hwnd)
mhdr.dwFlags = 0;
/* PrepareHeader detects the too large buffer is for a stream. */
rc = midiOutPrepareHeader((HMIDIOUT)hm, &mhdr, sizeof(mhdr));
- ok(rc==MMSYSERR_INVALPARAM, "midiOutPrepare stream too large rc=%s\n", mmsys_error(rc));
+ todo_wine ok(rc==MMSYSERR_INVALPARAM, "midiOutPrepare stream too large rc=%s\n", mmsys_error(rc));
rc = midiOutUnprepareHeader((HMIDIOUT)hm, &mhdr, sizeof(mhdr));
ok(!rc, "midiOutUnprepare rc=%s\n", mmsys_error(rc));
diff --git a/dlls/winmm/winmm.c b/dlls/winmm/winmm.c
index 3fee0a8..a2074f6 100644
--- a/dlls/winmm/winmm.c
+++ b/dlls/winmm/winmm.c
@@ -969,6 +969,7 @@ UINT WINAPI midiOutPrepareHeader(HMIDIOUT hMidiOut,
if ((wmld = MMDRV_Get(hMidiOut, MMDRV_MIDIOUT, FALSE)) == NULL)
return MMSYSERR_INVALHANDLE;
+ /* FIXME: detect MIDIStream handles and enforce 64KB buffer limit on those */
return MMDRV_Message(wmld, MODM_PREPARE, (DWORD_PTR)lpMidiOutHdr, uSize);
}
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